./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a164251bff3896ce465c3ad11928c4a52d2dfb0ec3f47c0eeea2d1f5b35013f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:12:38,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:12:38,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:12:38,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:12:38,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:12:38,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:12:38,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:12:38,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:12:38,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:12:38,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:12:38,823 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:12:38,823 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:12:38,824 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:12:38,825 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:12:38,825 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:12:38,826 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:12:38,826 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:12:38,827 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:12:38,827 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:12:38,828 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:12:38,828 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:12:38,829 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:12:38,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:12:38,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:12:38,831 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:12:38,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:12:38,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:12:38,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:12:38,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:12:38,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:12:38,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:12:38,833 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:12:38,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:12:38,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:12:38,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:12:38,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:12:38,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:12:38,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:12:38,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:12:38,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:12:38,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:12:38,836 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:12:38,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:12:38,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:12:38,836 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:12:38,837 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:12:38,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:12:38,837 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a164251bff3896ce465c3ad11928c4a52d2dfb0ec3f47c0eeea2d1f5b35013f [2023-12-02 14:12:39,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:12:39,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:12:39,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:12:39,072 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:12:39,073 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:12:39,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i [2023-12-02 14:12:41,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:12:42,014 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:12:42,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i [2023-12-02 14:12:42,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/data/e68b5e514/3a5d372ce8774b20bd35bc6b248e1074/FLAG9dca4973c [2023-12-02 14:12:42,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/data/e68b5e514/3a5d372ce8774b20bd35bc6b248e1074 [2023-12-02 14:12:42,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:12:42,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:12:42,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:12:42,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:12:42,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:12:42,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df197a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42, skipping insertion in model container [2023-12-02 14:12:42,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:12:42,227 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i[915,928] [2023-12-02 14:12:42,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:12:42,268 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:12:42,281 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i[915,928] [2023-12-02 14:12:42,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:12:42,315 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:12:42,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42 WrapperNode [2023-12-02 14:12:42,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:12:42,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:12:42,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:12:42,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:12:42,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,359 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2023-12-02 14:12:42,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:12:42,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:12:42,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:12:42,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:12:42,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:12:42,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:12:42,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:12:42,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:12:42,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (1/1) ... [2023-12-02 14:12:42,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:12:42,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:12:42,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:12:42,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:12:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:12:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:12:42,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:12:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:12:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:12:42,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:12:42,537 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:12:42,539 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:12:42,729 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:12:42,836 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:12:42,836 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:12:42,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:42 BoogieIcfgContainer [2023-12-02 14:12:42,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:12:42,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:12:42,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:12:42,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:12:42,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:12:42" (1/3) ... [2023-12-02 14:12:42,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70793b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:12:42, skipping insertion in model container [2023-12-02 14:12:42,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:42" (2/3) ... [2023-12-02 14:12:42,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70793b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:12:42, skipping insertion in model container [2023-12-02 14:12:42,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:42" (3/3) ... [2023-12-02 14:12:42,847 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-99.i [2023-12-02 14:12:42,863 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:12:42,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:12:42,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:12:42,911 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6fd9e1c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:12:42,911 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:12:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-02 14:12:42,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 14:12:42,923 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:12:42,924 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:12:42,924 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:12:42,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:12:42,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1853177043, now seen corresponding path program 1 times [2023-12-02 14:12:42,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:12:42,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348358381] [2023-12-02 14:12:42,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:42,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:12:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:12:43,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:12:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:12:43,220 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:12:43,222 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:12:43,223 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:12:43,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:12:43,230 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:12:43,235 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:12:43,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:12:43 BoogieIcfgContainer [2023-12-02 14:12:43,269 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:12:43,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:12:43,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:12:43,269 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:12:43,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:42" (3/4) ... [2023-12-02 14:12:43,271 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:12:43,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:12:43,273 INFO L158 Benchmark]: Toolchain (without parser) took 1227.79ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 101.6MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:12:43,273 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 69.7MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:12:43,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.66ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 84.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 14:12:43,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.11ms. Allocated memory is still 134.2MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:12:43,275 INFO L158 Benchmark]: Boogie Preprocessor took 23.55ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:12:43,275 INFO L158 Benchmark]: RCFGBuilder took 453.49ms. Allocated memory is still 134.2MB. Free memory was 81.2MB in the beginning and 62.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 14:12:43,276 INFO L158 Benchmark]: TraceAbstraction took 428.11ms. Allocated memory is still 134.2MB. Free memory was 61.6MB in the beginning and 101.6MB in the end (delta: -40.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-12-02 14:12:43,276 INFO L158 Benchmark]: Witness Printer took 3.11ms. Allocated memory is still 134.2MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:12:43,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 69.7MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.66ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 84.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.11ms. Allocated memory is still 134.2MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.55ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.49ms. Allocated memory is still 134.2MB. Free memory was 81.2MB in the beginning and 62.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 428.11ms. Allocated memory is still 134.2MB. Free memory was 61.6MB in the beginning and 101.6MB in the end (delta: -40.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Witness Printer took 3.11ms. Allocated memory is still 134.2MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 42, overapproximation of someUnaryDOUBLEoperation at line 43, overapproximation of someBinaryArithmeticDOUBLEoperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] unsigned char var_1_2 = 16; [L24] float var_1_4 = 1000000000000000.6; [L25] float var_1_5 = 500.5; [L26] float var_1_6 = 99999999999.5; [L27] double var_1_7 = 9.6; [L28] double var_1_8 = -0.2; [L29] double var_1_9 = 25.2; [L30] signed short int var_1_10 = 1; [L31] unsigned char var_1_11 = 0; [L32] signed long int var_1_15 = -64; [L79] isInitial = 1 [L80] FCALL initially() [L81] COND TRUE 1 [L82] FCALL updateLastVariables() [L83] CALL updateVariables() [L55] var_1_2 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L57] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L58] var_1_4 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L60] var_1_5 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L62] var_1_6 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5, var_1_9=126/5] [L64] var_1_8 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5, var_1_9=126/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L68] var_1_11 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L70] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L83] RET updateVariables() [L84] CALL step() [L36] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); [L37] COND FALSE !((((((200) < (128)) ? (200) : (128))) - var_1_2) > stepLocal_0) [L40] var_1_1 = var_1_6 [L42] COND TRUE var_1_5 >= (var_1_4 + var_1_6) [L43] var_1_7 = ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))) [L45] COND FALSE !(((var_1_6 - var_1_4) + var_1_7) >= var_1_5) [L50] COND TRUE ((var_1_2 + var_1_15) + var_1_15) >= var_1_15 [L51] var_1_10 = var_1_2 [L84] RET step() [L85] CALL, EXPR property() [L75-L76] return (((((((((200) < (128)) ? (200) : (128))) - var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (var_1_1 == ((float) (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6))) : (var_1_1 == ((float) var_1_6))) && ((var_1_5 >= (var_1_4 + var_1_6)) ? (var_1_7 == ((double) ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))))) : 1)) && ((((var_1_2 + var_1_15) + var_1_15) >= var_1_15) ? (var_1_10 == ((signed short int) var_1_2)) : 1)) && ((((var_1_6 - var_1_4) + var_1_7) >= var_1_5) ? (var_1_11 ? (var_1_15 == ((signed long int) 100)) : 1) : 1) ; [L85] RET, EXPR property() [L85] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=1, var_1_15=-64, var_1_1=1000000000000005, var_1_2=127, var_1_6=1000000000000005, var_1_7=48/5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=1, var_1_15=-64, var_1_1=1000000000000005, var_1_2=127, var_1_6=1000000000000005, var_1_7=48/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 14:12:43,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a164251bff3896ce465c3ad11928c4a52d2dfb0ec3f47c0eeea2d1f5b35013f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:12:45,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:12:45,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:12:45,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:12:45,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:12:45,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:12:45,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:12:45,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:12:45,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:12:45,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:12:45,403 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:12:45,404 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:12:45,404 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:12:45,405 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:12:45,406 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:12:45,406 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:12:45,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:12:45,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:12:45,408 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:12:45,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:12:45,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:12:45,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:12:45,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:12:45,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:12:45,411 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:12:45,412 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:12:45,412 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:12:45,413 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:12:45,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:12:45,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:12:45,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:12:45,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:12:45,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:12:45,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:12:45,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:12:45,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:12:45,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:12:45,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:12:45,417 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:12:45,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:12:45,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:12:45,418 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:12:45,418 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:12:45,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:12:45,418 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a164251bff3896ce465c3ad11928c4a52d2dfb0ec3f47c0eeea2d1f5b35013f [2023-12-02 14:12:45,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:12:45,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:12:45,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:12:45,717 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:12:45,717 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:12:45,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i [2023-12-02 14:12:48,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:12:48,933 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:12:48,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i [2023-12-02 14:12:48,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/data/d61fe95e5/4bbcd1f488a442ee87bcfc4a77118385/FLAG6c7c0b1d6 [2023-12-02 14:12:48,960 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/data/d61fe95e5/4bbcd1f488a442ee87bcfc4a77118385 [2023-12-02 14:12:48,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:12:48,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:12:48,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:12:48,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:12:48,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:12:48,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:48" (1/1) ... [2023-12-02 14:12:48,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589a297f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:48, skipping insertion in model container [2023-12-02 14:12:48,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:12:48" (1/1) ... [2023-12-02 14:12:49,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:12:49,175 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i[915,928] [2023-12-02 14:12:49,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:12:49,231 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:12:49,246 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i[915,928] [2023-12-02 14:12:49,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:12:49,286 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:12:49,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49 WrapperNode [2023-12-02 14:12:49,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:12:49,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:12:49,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:12:49,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:12:49,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,336 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2023-12-02 14:12:49,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:12:49,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:12:49,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:12:49,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:12:49,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:12:49,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:12:49,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:12:49,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:12:49,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (1/1) ... [2023-12-02 14:12:49,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:12:49,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:12:49,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:12:49,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:12:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:12:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:12:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:12:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:12:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:12:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:12:49,522 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:12:49,524 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:12:56,022 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:12:56,074 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:12:56,074 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:12:56,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:56 BoogieIcfgContainer [2023-12-02 14:12:56,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:12:56,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:12:56,079 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:12:56,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:12:56,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:12:48" (1/3) ... [2023-12-02 14:12:56,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589450d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:12:56, skipping insertion in model container [2023-12-02 14:12:56,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:12:49" (2/3) ... [2023-12-02 14:12:56,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589450d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:12:56, skipping insertion in model container [2023-12-02 14:12:56,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:12:56" (3/3) ... [2023-12-02 14:12:56,086 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-99.i [2023-12-02 14:12:56,106 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:12:56,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:12:56,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:12:56,163 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4c10a3a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:12:56,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:12:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-02 14:12:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 14:12:56,176 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:12:56,177 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:12:56,177 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:12:56,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:12:56,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1447194716, now seen corresponding path program 1 times [2023-12-02 14:12:56,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:12:56,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816652993] [2023-12-02 14:12:56,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:56,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:12:56,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:12:56,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:12:56,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 14:12:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:12:56,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:12:56,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:12:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-02 14:12:56,599 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:12:56,600 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:12:56,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816652993] [2023-12-02 14:12:56,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816652993] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:12:56,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:12:56,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:12:56,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88519221] [2023-12-02 14:12:56,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:12:56,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:12:56,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:12:56,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:12:56,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:12:56,634 INFO L87 Difference]: Start difference. First operand has 34 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 14:12:58,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:58,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:12:58,781 INFO L93 Difference]: Finished difference Result 65 states and 107 transitions. [2023-12-02 14:12:58,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:12:58,815 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2023-12-02 14:12:58,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:12:58,822 INFO L225 Difference]: With dead ends: 65 [2023-12-02 14:12:58,822 INFO L226 Difference]: Without dead ends: 32 [2023-12-02 14:12:58,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:12:58,828 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:12:58,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 14:12:58,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-12-02 14:12:58,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-12-02 14:12:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-02 14:12:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2023-12-02 14:12:58,867 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 61 [2023-12-02 14:12:58,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:12:58,868 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2023-12-02 14:12:58,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 14:12:58,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-12-02 14:12:58,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 14:12:58,871 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:12:58,871 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:12:58,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:12:59,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:12:59,072 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:12:59,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:12:59,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1948311954, now seen corresponding path program 1 times [2023-12-02 14:12:59,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:12:59,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842903623] [2023-12-02 14:12:59,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:59,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:12:59,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:12:59,075 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:12:59,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d17f617-e8f0-4288-99e2-a7e8ef42f4e8/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 14:12:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:12:59,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 14:12:59,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:14:07,756 WARN L293 SmtUtils]: Spent 15.95s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:15:58,034 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse4)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg ((_ zero_extend 24) c_~var_1_2~0))) (_ bv8 32)) (let ((.cse2 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse1 (fp.lt .cse2 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= c_~var_1_7~0 (fp.neg .cse2))) (and (= c_~var_1_7~0 .cse2) (not .cse1))))) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse3) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (fp.geq c_~var_1_4~0 .cse4) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse4) (fp.geq c_~var_1_5~0 .cse4) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse5) (fp.leq c_~var_1_8~0 .cse6)) (and (fp.geq c_~var_1_8~0 .cse7) (fp.leq c_~var_1_8~0 .cse8))) (= (bvadd c_~var_1_15~0 (_ bv64 32)) (_ bv0 32)) (or (and (fp.leq c_~var_1_9~0 .cse8) (fp.geq c_~var_1_9~0 .cse7)) (and (fp.geq c_~var_1_9~0 .cse5) (fp.leq c_~var_1_9~0 .cse6))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 14:16:00,075 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse4)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse4)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg ((_ zero_extend 24) c_~var_1_2~0))) (_ bv8 32)) (let ((.cse2 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse1 (fp.lt .cse2 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= c_~var_1_7~0 (fp.neg .cse2))) (and (= c_~var_1_7~0 .cse2) (not .cse1))))) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse3) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (fp.geq c_~var_1_4~0 .cse4) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse4) (fp.geq c_~var_1_5~0 .cse4) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse5) (fp.leq c_~var_1_8~0 .cse6)) (and (fp.geq c_~var_1_8~0 .cse7) (fp.leq c_~var_1_8~0 .cse8))) (= (bvadd c_~var_1_15~0 (_ bv64 32)) (_ bv0 32)) (or (and (fp.leq c_~var_1_9~0 .cse8) (fp.geq c_~var_1_9~0 .cse7)) (and (fp.geq c_~var_1_9~0 .cse5) (fp.leq c_~var_1_9~0 .cse6))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 14:17:58,618 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_2~0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse5)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg .cse1)) (_ bv8 32)) (bvsge (bvadd (_ bv4294967168 32) .cse1) (_ bv4294967232 32)) (let ((.cse3 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse2 (fp.lt .cse3 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse2 (= c_~var_1_7~0 (fp.neg .cse3))) (and (= c_~var_1_7~0 .cse3) (not .cse2))))) (let ((.cse4 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse4) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (= c_~var_1_10~0 ((_ zero_extend 8) c_~var_1_2~0)) (fp.geq c_~var_1_4~0 .cse5) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse5) (fp.geq c_~var_1_5~0 .cse5) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse6) (fp.leq c_~var_1_8~0 .cse7)) (and (fp.geq c_~var_1_8~0 .cse8) (fp.leq c_~var_1_8~0 .cse9))) (= (bvadd c_~var_1_15~0 (_ bv64 32)) (_ bv0 32)) (or (and (fp.leq c_~var_1_9~0 .cse9) (fp.geq c_~var_1_9~0 .cse8)) (and (fp.geq c_~var_1_9~0 .cse6) (fp.leq c_~var_1_9~0 .cse7))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 14:18:00,657 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_2~0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse5)))) (and (not (fp.geq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_4~0)) c_~var_1_7~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0))) (fp.leq c_~var_1_5~0 .cse0) (bvsgt (bvadd (_ bv128 32) (bvneg .cse1)) (_ bv8 32)) (bvsge (bvadd (_ bv4294967168 32) .cse1) (_ bv4294967232 32)) (let ((.cse3 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (let ((.cse2 (fp.lt .cse3 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse2 (= c_~var_1_7~0 (fp.neg .cse3))) (and (= c_~var_1_7~0 .cse3) (not .cse2))))) (let ((.cse4 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_6~0))) (and (not .cse4) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0))))) (= c_~var_1_10~0 ((_ zero_extend 8) c_~var_1_2~0)) (fp.geq c_~var_1_4~0 .cse5) (fp.leq c_~var_1_4~0 .cse0) (fp.geq c_~var_1_6~0 .cse5) (fp.geq c_~var_1_5~0 .cse5) (fp.leq c_~var_1_6~0 .cse0) (or (and (fp.geq c_~var_1_8~0 .cse6) (fp.leq c_~var_1_8~0 .cse7)) (and (fp.geq c_~var_1_8~0 .cse8) (fp.leq c_~var_1_8~0 .cse9))) (= (bvadd c_~var_1_15~0 (_ bv64 32)) (_ bv0 32)) (or (and (fp.leq c_~var_1_9~0 .cse9) (fp.geq c_~var_1_9~0 .cse8)) (and (fp.geq c_~var_1_9~0 .cse6) (fp.leq c_~var_1_9~0 .cse7))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true